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About btd

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  1. That's provided that the pre/amp built was wired correctly. For "audiophile purity" my first couple of builds I used two separate volume pots so I could balance. The last I went for a balance pot. Took me a while for the penny to drop on that one. Because (like others it seems) I get left and right wrong I have recorded one of my test records to computer, cd and cassette so I can test everything. Still plugged one of my speakers in reverse phase the other day.
  2. I have run several setups using two speakers as a centre speaker in 4, 8, and 16 ohms. Never had any problems as far as the amps go. The main problem was they were not a match sound wise to the rest of the system. Different brand of drivers. My current setup uses two speakers with 16ohm drivers wired to present 8ohms to the amp. They are the same brand and model as the 8 ohm versions used in the other speakers. Works well enough for me.
  3. Burnt some CD`s on the weekend after down loading some music from utube. Also did a couple of cassette tapes. No laptop anymore and my phone is just a phone so to play music in the lounge or bedroom its cd, tape or records. One day I am going to have to break into the modern age. Tony
  4. Thank`s audiofeline, It would not have mattered what the colour was it`s all I had. It`s a course thread, industrial cotton used for rapping freshly made rubber compounds in, so it does not all stick together. I don`t want to think about the damage that could be done if I left the cover on one of the class A amps. Just have to remember to put them back on. Walked past a unit I had uncovered in the lounge for 3 days. Already dust settling on top. Tony
  5. I am not sure if it really comes under the DIY section but I have just spent a week going made making some covers for my equipment. Not being domesticated, a smoker and leaving the windows open most of the time a lot of dust gets into the house. It really hit me a week ago when I started doing some work in this room after about a 6 month break from doing anything. I had only intended to make a couple of covers for some of my DIY bits that have some vary perforated tops and bottoms letting a lot of dust and other stuff in. As its been some 50 years since my mother tort me some sewing and button repairs so I would not be totally useless I we went through life, it has been of a steep learning curve. I figured the best way to mark out and cut the material was as if I was pressing up a piece of sheet metal. I spent an hour on the internet learning how to operate the sewing machine my brother lent me (with no manual). 27 cover`s latter and I am nearing the end. ( yep, I got carried away). They are not pretty or that well made but I think they should go some way to keeping the dust out.
  6. There are several discussions on the subject at Diyaudio https://www.diyaudio.com/forums/pass-labs/310005-preamp-amp-camp.html I mounted a B1 pre in my ACA build. It`s not fancy but it was cheep. (lots of leftover or secondhand bits)
  7. Black, brown, a strange grey green, 3 types of silver (brushed, polished, mat) and 4 types of timber. May be I should buy a tin of spray paint so I can conform. Now black or silver.
  8. If you think your a hoarder now wait for the shelves go in. More storage space requires more things to fill the space.
  9. Yes, I have the sickness. R 4000-3 receiver, S85 turntable, C500 tape deck. 4 pairs x OD11`s. 2 original, 2 with different drivers. 1 x AO12, 1 x AO14, 1 x AO116. Box of spare bits. Sadly no spare 6.5" AINiCo drivers.
  10. I don`t find the case building that hard, once I stop procrastinating over the style I want. The electronics is my downfall. If I did not follow the paint by numbers or dot to dot approach I would be lost. Speakers used are generally some old VAF DC7`s (93 db, series II I think). Though today I have had it driving some Infinity RS4B`s comparing it to some other amps. One day I want to try some DIY horns. Tony from the 1/2 dun shed.
  11. Built the base model a couple of weeks ago. After trying the various up grades, 24v, adding R15, up specking R12, adding larger heatsinks to cope with it all, it`s now all back to the base model. I did keep my home made heatsinks. Not large enough for the 24v model but more than enough for the 19v. I went back to the basic model as I could not justify the 40% increase in power for the increase in output. 5.13 watts against 6.36 watts. (that and don`t have any spare laptop power supplies) Added the B1 pre to keep it all in the Pass family. A very nice sounding little unit. Now I just have to build a box. Tony
  12. Yes, gone some 10 years now after 25 years of service.
  13. I did not know that SNA had a bike section, so I had a bit of a look. It`s amazing how a couple of photo`s can bring some memories flooding back. back in the day
  14. No not the name of the rack but it has been producing some at the other end of the room. Some makeshift shelving and its up and running.
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